/* dl_minimal — 极简留白 Minimal
   纯白底 · 大量留白 · 单一品牌蓝 · 发丝级细线 */
:root{
  --dm-line:#e9eaee;
  --dm-ink:#14161a;
  --dm-muted:#6b7280;
  --dm-accent:#2f5bea;
  --dm-soft:#fafbfc;
}
*{margin:0;padding:0;box-sizing:border-box}
body{
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
  color:var(--dm-ink);background:#fff;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
.u_ea61_1198{max-width:1040px;margin:0 auto;padding:0 32px}
.u_9d38_3fa2{max-width:760px}

/* Header */
.u_7e00_1495{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.86);backdrop-filter:blur(8px);border-bottom:1px solid var(--dm-line)}
.u_2b74_5f03{display:flex;align-items:center;justify-content:space-between;height:64px;gap:20px}
.u_c013_4f45{display:flex;align-items:center;gap:10px;font-weight:600;font-size:16px;text-decoration:none}
.u_dcf9_3266{width:26px;height:26px;border:1.5px solid var(--dm-ink);border-radius:7px;display:grid;place-items:center;font-size:12px}
.u_4749_c2ec{display:flex;gap:28px;font-size:14px;color:var(--dm-muted)}
.u_4749_c2ec a{color:inherit;text-decoration:none;transition:color .15s}
.u_4749_c2ec a:hover{color:var(--dm-ink)}
.u_04ab_c645{font-size:13.5px;color:var(--dm-ink);text-decoration:none;border:1px solid var(--dm-ink);border-radius:999px;padding:8px 16px;white-space:nowrap;transition:.15s}
.u_04ab_c645:hover{background:var(--dm-ink);color:#fff}
.u_5eeb_5ab3{display:none;background:none;border:1px solid var(--dm-line);border-radius:8px;font-size:18px;width:38px;height:34px;cursor:pointer;color:var(--dm-ink)}

/* Hero */
.u_8025_5ad9{padding:84px 0 64px;text-align:center}
.u_d24c_0b32{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--dm-accent);margin-bottom:20px}
.u_6c29_6dec{font-size:56px;line-height:1.08;font-weight:700;letter-spacing:-1.5px;max-width:800px;margin:0 auto}
.u_6c29_6dec em{font-style:normal;color:var(--dm-accent)}
.u_899c_8f16{font-size:18px;color:var(--dm-muted);max-width:540px;margin:24px auto 0}
.u_9542_bb73{display:flex;gap:34px;justify-content:center;margin:36px 0 32px;font-size:13px;color:var(--dm-muted);flex-wrap:wrap}
.u_9542_bb73 div{min-width:80px}
.u_9542_bb73 b{display:block;color:var(--dm-ink);font-size:19px;font-weight:600;margin-bottom:2px}
.u_074e_39bf{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.u_2cd9_cb73{border-radius:12px;padding:14px 26px;font-size:15px;text-decoration:none;display:inline-flex;align-items:center;gap:10px;font-weight:500;line-height:1.2;transition:.15s}
.u_2cd9_cb73 small{display:block;font-size:11px;font-weight:400;opacity:.6}
.u_2cd9_cb73.solid{background:var(--dm-ink);color:#fff}
.u_2cd9_cb73.solid:hover{background:#000}
.u_2cd9_cb73.line{background:#fff;color:var(--dm-ink);border:1px solid var(--dm-line)}
.u_2cd9_cb73.line:hover{border-color:var(--dm-ink)}
.u_a97a_86d4{padding:9px 16px;font-size:13.5px}

/* phone mockup */
.u_e402_3a42{width:270px;height:520px;margin:64px auto 0;border:1px solid var(--dm-line);border-radius:34px;position:relative;background:linear-gradient(180deg,var(--dm-soft),#fff);box-shadow:0 40px 80px -50px rgba(20,22,26,.35)}
.u_e402_3a42:before{content:"";position:absolute;top:12px;left:50%;transform:translateX(-50%);width:90px;height:5px;border-radius:3px;background:var(--dm-line)}
.u_8b71_abfe{position:absolute;inset:34px 20px 20px;display:flex;flex-direction:column;gap:12px}
.u_65f3_e1d9{height:64px;border:1px dashed var(--dm-line);border-radius:12px}
.u_6049_a3f1{flex:1;border:1px dashed var(--dm-line);border-radius:12px;display:grid;place-items:center;font-size:44px;color:var(--dm-line);font-weight:700}

/* Sections */
.u_ebc8_67f7{padding:76px 0;border-top:1px solid var(--dm-line)}
.u_8125_7a31{background:var(--dm-soft)}
.u_af45_26a4{max-width:560px;margin-bottom:46px}
.u_997d_bca8{font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--dm-muted)}
.u_af45_26a4 h2{font-size:34px;font-weight:700;letter-spacing:-.8px;margin:10px 0 6px}
.u_af45_26a4 p{color:var(--dm-muted);font-size:15px}

/* Feature grid — hairline dividers */
.u_aead_fa6d{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--dm-line);border:1px solid var(--dm-line);border-radius:14px;overflow:hidden}
.u_4be4_fd55{background:#fff;padding:32px 26px}
.u_8125_7a31 .u_4be4_fd55{background:var(--dm-soft)}
.u_8125_7a31 .u_4be4_fd55:hover{background:#fff}
.u_9174_0994{font-size:20px;color:var(--dm-accent);margin-bottom:14px}
.u_4be4_fd55 h3{font-size:18px;font-weight:600;margin-bottom:6px}
.u_4be4_fd55 p{color:var(--dm-muted);font-size:14px}

/* FAQ */
.u_8b7f_7d3c{max-width:720px}
.u_8b7f_7d3c details{border-bottom:1px solid var(--dm-line);padding:18px 0}
.u_8b7f_7d3c summary{cursor:pointer;font-size:16px;font-weight:500;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
.u_8b7f_7d3c summary::-webkit-details-marker{display:none}
.u_8b7f_7d3c summary:after{content:"+";color:var(--dm-muted);font-size:20px;line-height:1}
.u_8b7f_7d3c details[open] summary:after{content:"\2212"}
.u_8b7f_7d3c p{color:var(--dm-muted);font-size:14.5px;margin-top:10px}
.u_8b7f_7d3c p a,.u_972d_bc9e a{color:var(--dm-accent);text-decoration:none}
.u_972d_bc9e{margin-top:24px;color:var(--dm-muted);font-size:14px}

/* News cards */
.u_258c_4f8a{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.u_b71c_452a{text-decoration:none;color:inherit;display:block}
.u_7f06_d26a{aspect-ratio:16/10;border:1px solid var(--dm-line);border-radius:12px;margin-bottom:14px;background:var(--dm-soft);overflow:hidden}
.u_7f06_d26a img{width:100%;height:100%;object-fit:cover}
.u_b71c_452a time{font-size:12.5px;color:var(--dm-muted)}
.u_b71c_452a h3{font-size:16px;font-weight:600;margin:5px 0}
.u_b71c_452a p{font-size:14px;color:var(--dm-muted)}
.u_f097_e9f1{margin-top:34px;text-align:center}
.u_f088_58ea{display:inline-block;border:1px solid var(--dm-ink);border-radius:999px;padding:11px 24px;font-size:14px;text-decoration:none;color:var(--dm-ink);transition:.15s}
.u_f088_58ea:hover{background:var(--dm-ink);color:#fff}
.u_f678_5855{text-align:center;color:var(--dm-muted);padding:40px;border:1px dashed var(--dm-line);border-radius:14px;font-size:15px}

/* CTA */
.u_c0cd_09be{text-align:center;padding:20px 0}
.u_c0cd_09be h2{font-size:38px;font-weight:700;letter-spacing:-1px}
.u_c0cd_09be p{color:var(--dm-muted);margin:14px 0 28px}

/* Page hero + breadcrumb */
.u_f7dd_0499{padding:56px 0 30px;border-bottom:1px solid var(--dm-line)}
.u_f7dd_0499 h1{font-size:38px;font-weight:700;letter-spacing:-.8px}
.u_f7dd_0499 p{color:var(--dm-muted);margin-top:8px}
.u_3801_208a{padding:16px 0;font-size:13.5px;color:var(--dm-muted)}
.u_3801_208a a{color:var(--dm-muted);text-decoration:none}
.u_3801_208a a:hover{color:var(--dm-ink)}
.u_cb5d_91e2{margin:0 8px;opacity:.5}
.u_3801_208a .u_c476_42e0{color:var(--dm-ink)}

/* List layout: main + side */
.u_47eb_c297{display:grid;grid-template-columns:1fr 280px;gap:40px;align-items:start}
.u_cf83_4779{min-width:0}
.u_832f_0ae5{display:flex;flex-direction:column;gap:22px}
.u_7b0e_34f7{display:grid;grid-template-columns:200px 1fr;gap:22px;padding-bottom:22px;border-bottom:1px solid var(--dm-line)}
.u_7b0e_34f7:last-child{border-bottom:none}
.u_1c78_e3cf{aspect-ratio:16/10;border-radius:12px;overflow:hidden;border:1px solid var(--dm-line);background:var(--dm-soft)}
.u_1c78_e3cf img{width:100%;height:100%;object-fit:cover}
.u_5dc7_82d8 h3{font-size:19px;font-weight:600;margin-bottom:8px}
.u_5dc7_82d8 h3 a{text-decoration:none;color:var(--dm-ink)}
.u_5dc7_82d8 h3 a:hover{color:var(--dm-accent)}
.u_5dc7_82d8 p{color:var(--dm-muted);font-size:14.5px}
.u_14b6_40c2{margin-top:10px;font-size:12.5px;color:var(--dm-muted);display:flex;gap:16px}
.u_689c_896a{max-width:820px}

/* pagination */
.u_be36_89cd{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:30px;font-size:14px}
.u_be36_89cd a,.u_be36_89cd .u_c476_42e0,.u_be36_89cd .u_c3bf_f702{padding:7px 12px;border:1px solid var(--dm-line);border-radius:8px;text-decoration:none;color:var(--dm-muted)}
.u_be36_89cd a:hover{border-color:var(--dm-ink);color:var(--dm-ink)}
.u_be36_89cd .u_c476_42e0{background:var(--dm-ink);color:#fff;border-color:var(--dm-ink)}
.u_be36_89cd .u_c3bf_f702{opacity:.5}
.u_be36_89cd .u_a7e1_bb4f{margin-left:auto;color:var(--dm-muted);border:none}

/* sidebar */
.u_9eca_caa1{display:flex;flex-direction:column;gap:22px;position:sticky;top:84px}
.u_146a_ad97{border:1px solid var(--dm-line);border-radius:14px;padding:22px}
.u_146a_ad97 h4{font-size:15px;margin-bottom:14px;font-weight:600}
.u_614c_3d43{display:flex;justify-content:space-between;font-size:13.5px;color:var(--dm-muted);padding:7px 0;border-bottom:1px dashed var(--dm-line)}
.u_614c_3d43:last-of-type{border-bottom:none}
.u_614c_3d43 b{color:var(--dm-ink);font-weight:600}
.u_614c_3d43 a{color:var(--dm-accent);text-decoration:none;font-size:13px}
.u_0cf3_5121{display:block;text-align:center;margin-top:14px;background:var(--dm-ink);color:#fff;padding:11px;border-radius:10px;text-decoration:none;font-size:14px;font-weight:500}
.u_0cf3_5121:hover{background:#000}

/* detail */
.u_59b6_4963 h1{font-size:32px;font-weight:700;line-height:1.25;margin-bottom:14px}
.u_1a05_1232{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--dm-muted);padding-bottom:22px;border-bottom:1px solid var(--dm-line)}
.u_1f08_d47b{padding:26px 0;font-size:16.5px}
.u_1f08_d47b h2{font-size:24px;font-weight:600;margin:26px 0 10px}
.u_1f08_d47b h3{font-size:20px;font-weight:600;margin:22px 0 8px}
.u_1f08_d47b p{margin-bottom:16px;color:#2b2e33}
.u_1f08_d47b a{color:var(--dm-accent);text-decoration:none}
.u_1f08_d47b ul,.u_1f08_d47b ol{margin:0 0 16px 22px}
.u_1f08_d47b img{border-radius:12px;margin:8px 0 16px}
.u_1f08_d47b blockquote{border-left:3px solid var(--dm-line);padding-left:18px;color:var(--dm-muted);margin:0 0 16px}
.u_7edd_78f6{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}
.u_7edd_78f6 a,.u_81ce_8b9d a,.u_29d6_a923 a{border:1px solid var(--dm-line);border-radius:999px;padding:6px 14px;text-decoration:none;color:var(--dm-muted);font-size:13px}
.u_7edd_78f6 a:hover,.u_81ce_8b9d a:hover{border-color:var(--dm-ink);color:var(--dm-ink)}
.u_0e35_2b9f{display:flex;justify-content:space-between;gap:16px;margin-top:26px;padding-top:22px;border-top:1px solid var(--dm-line);font-size:14px}
.u_0e35_2b9f a{color:var(--dm-accent);text-decoration:none;max-width:46%}
.u_0e35_2b9f .u_c3bf_f702{color:var(--dm-muted);opacity:.6}
.u_053e_3e7d{margin-top:40px}
.u_053e_3e7d h2{font-size:22px;font-weight:600;margin-bottom:18px}

/* tags cloud */
.u_81ce_8b9d{display:flex;flex-wrap:wrap;gap:12px}
.u_81ce_8b9d a{font-size:15px;padding:9px 18px}
.u_643e_4a80{color:var(--dm-accent);margin-left:6px;font-size:12px}
.u_29d6_a923{padding-bottom:20px;border-bottom:1px solid var(--dm-line);margin-bottom:8px}
.u_29d6_a923 h1{font-size:30px;font-weight:700}
.u_ff31_3bad{color:var(--dm-accent);margin-right:4px}
.u_29d6_a923 p{color:var(--dm-muted);margin-top:8px}
.u_07a5_88eb{font-size:14px}
.u_a234_ef94{margin-top:30px;text-align:center}
.u_a234_ef94 a{color:var(--dm-accent);text-decoration:none;font-size:14px}

/* search */
.u_d209_4018{display:flex;gap:0;margin-bottom:26px;border:1px solid var(--dm-line);border-radius:12px;overflow:hidden}
.u_d209_4018 input{flex:1;border:none;padding:14px 18px;font-size:15px;outline:none}
.u_d209_4018 button{border:none;background:var(--dm-ink);color:#fff;padding:0 28px;font-size:15px;cursor:pointer}
.u_4945_de4a{text-align:center;color:var(--dm-muted);margin-bottom:22px;font-size:14px}

/* 404 */
.u_695b_49f4{text-align:center;padding:60px 0}
.u_92f4_f2ce{font-size:120px;font-weight:800;letter-spacing:-4px;color:var(--dm-line);line-height:1}
.u_695b_49f4 p{color:var(--dm-muted);margin:12px 0 26px;font-size:16px}

/* sticky mobile download bar */
.u_139e_6b8c{display:none}

/* Footer */
.u_20d6_7493{border-top:1px solid var(--dm-line);padding:52px 0 34px;font-size:14px;color:var(--dm-muted)}
.u_3113_880b{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px;margin-bottom:32px}
.u_20d6_7493 h5{color:var(--dm-ink);font-size:14px;margin-bottom:12px}
.u_20d6_7493 ul{list-style:none}
.u_20d6_7493 li{margin-bottom:8px}
.u_20d6_7493 a{color:var(--dm-muted);text-decoration:none}
.u_20d6_7493 a:hover{color:var(--dm-ink)}
.u_2e12_c518 p{max-width:340px}
.u_84a5_7e91{border-top:1px solid var(--dm-line);padding-top:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px}
.u_8bb2_46c1{text-align:right}

/* Responsive */
@media (max-width:860px){
  .u_6c29_6dec{font-size:40px}
  .u_4749_c2ec{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--dm-line);padding:8px 32px}
  .u_4749_c2ec a{padding:12px 0;border-bottom:1px solid var(--dm-line)}
  .u_5eeb_5ab3{display:block}
  .u_2b74_5f03{position:relative}
  .u_aead_fa6d,.u_258c_4f8a{grid-template-columns:1fr}
  .u_47eb_c297{grid-template-columns:1fr}
  .u_9eca_caa1{position:static}
  .u_7b0e_34f7{grid-template-columns:1fr}
  .u_3113_880b{grid-template-columns:1fr;gap:24px}
  .u_ebc8_67f7{padding:52px 0}
  .u_ea61_1198{padding:0 22px}
  .u_8bb2_46c1{text-align:left}
}
@media (max-width:640px){
  .u_139e_6b8c{display:flex;align-items:center;justify-content:space-between;gap:12px;position:fixed;left:0;right:0;bottom:0;z-index:30;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-top:1px solid var(--dm-line);padding:10px 16px}
  .u_bf4e_912c{font-size:12px;color:var(--dm-muted)}
  .u_bf4e_912c b{display:block;color:var(--dm-ink);font-size:14px}
  body{padding-bottom:66px}
  .u_8025_5ad9{padding:56px 0 40px}
  .u_9542_bb73{gap:20px}
}


/* fingerprint */
.k1807347{position:relative}
.k1147220{display:none}
.k17b0c3c{box-sizing:border-box}
.k61c4f3f{width:100%}
.kcdd11fe{padding:0}
.ka285425{overflow:hidden}
:root{--fp-5821ca76:1px}